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24 March, 18:38

Evaluate the expression 3.14 (a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)

Answer for Blank 1:

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  1. 24 March, 18:48
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    Replace a and b with the given values:

    3.14 (3^2 + 3x4)

    Simplify:

    3.14 (9 + 12)

    3.14 (21)

    Multiply:

    3.14 x 21 = 65.94
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